123203030023 has 2 divisors, whose sum is σ = 123203030024. Its totient is φ = 123203030022.

The previous prime is 123203029997. The next prime is 123203030029. The reversal of 123203030023 is 320030302321.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (320030302321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123203030023 - 2²⁹ = 122666159111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123203030029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61601515011 + 61601515012.

It is an arithmetic number, because the mean of its divisors is an integer number (61601515012).

Almost surely, 2^123203030023 is an apocalyptic number.

123203030023 is a deficient number, since it is larger than the sum of its proper divisors (1).

123203030023 is an equidigital number, since it uses as much as digits as its factorization.

123203030023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 123203030023 its reverse (320030302321), we get a palindrome (443233332344).

The spelling of 123203030023 in words is "one hundred twenty-three billion, two hundred three million, thirty thousand, twenty-three".